Philips Components
Product speci鏗乧ation
Ferrite ring cores (toroids)
RING CORES (TOROIDS)
Effective core parameters
SYMBOL
危(I/A)
V
e
I
e
A
e
m
Coating
The cores are coated with polyamide 11 (PA11), flame
retardant in accordance with
鈥淯L 94V-2鈥?/div>
; UL file number
E 45228 (M).
Isolation voltage
DC isolation voltage: 1000 V.
Contacts are applied on the edge of the ring core, which is
also the critical point for the winding operation.
Ring core data
GRADE
4C65
4A11
3F3
3C90
3C11
3E25
3E5
3E6
Note
A
L
(nH)
52
鹵25%
286
鹵25%
740
鹵25%
940
鹵25%
1750
鹵25%
2250
鹵30%
3470
鹵30%
4085
鹵30%
碌
i
鈮?25
鈮?00
鈮?800
鈮?300
鈮?300
鈮?500
鈮?500
鈮?0000
COLOUR CODE
violet
pink
blue
ultramarine
white
orange
yellow/white
purple/white
PARAMETER
core factor (C1)
effective volume
effective length
effective area
mass of core
VALUE
3.07
188
24.1
7.8
鈮?.95
UNIT
mm
鈭?
mm
3
mm
mm
2
g
handbook, halfpage
TN10/6/4
10.6
鹵0.3
(鈮?.3)
,,,,
,,,,
5.2
鹵0.3
coating PA11
CBW314
4.4
鹵0.3
Dimensions in mm.
Fig.1 TN10/6/4 ring core.
TYPE NUMBER
TN10/6/4-4C65
TN10/6/4-4A11
TN10/6/4-3F3
TN10/6/4-3C90
TN10/6/4-3C11
TN10/6/4-3E25
TL10/6/4-3E5
(1)
TL10/6/4-3E6
(1)
1. Ring cores in 3E5 and 3E6 are lacquered (polyurethane) and have different dimensions:
Outside diameter = 10.25
鹵0.4
mm; inside diameter = 5.75
鹵0.3
mm; height = 4.25
鹵0.3
mm; flame retardant in
accordance with
鈥淯L 94V-2鈥?/div>
; UL file number E 192048.
Properties of cores under power conditions
B (mT) at
GRADE
H = 250 A/m;
f = 25 kHz;
T = 100
擄C
鈮?20
鈮?20
f = 25 kHz;
藛
B = 200 mT;
T = 100
擄C
鈮?.021
鈭?/div>
CORE LOSS (W) at
f = 100 kHz;
藛
B = 100 mT;
T = 100
擄C
鈮?.021
鈮?.03
f = 400 kHz;
藛
B = 50 mT;
T = 100
擄C
鈭?/div>
鈮?.04
3C90
3F3
1999 Dec 23
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